Derya Firearms(R) built the DY9 Island Kit as a striker fired pistol designed for flatter recoil faster follow up shots and modern optics compatibility. This 9mm configuration features a 3.86 in Island barrel design with four top mounted gas ports a black Melonite steel optic ready serrated slide and a black polymer frame. Its RMR footprint ergonomic grip and included accessory bundle make it well suited for self-defense range use and competition shooting.Key Features9mm semi auto pistol with 3.86 in ported Island barrel design.Black Melonite steel optic ready serrated slide with RMR footprint.Black polymer frame with ergonomic grip.Compatible with STK100/STK200 and Glock(R) 17/19 pattern magazines.Includes 3 magazines; ammo case with soft case; guide rod; gun brush; Allen key; cleaning rod; 4 backstraps.Derya Firearms(R) manufactures innovative firearms that combine modern materials with practical performance driven design. Known for producing reliable rimfire and tactical style platforms the company emphasizes durability ergonomics and shooter focused features. Derya Firearms continues to deliver firearms suited for training recreation and modern sporting applications.